Foundations calculators
Planning quantities for footings, crawl spaces, basements, and slabs on grade.
Foundation Calculator
Foundation Calculator estimates concrete for foundation wall or footing runs for early continuous-foundation material planning.
Open calculator ↗FoundationsFooting Calculator
Footing Calculator estimates footing concrete for continuous strip and grade-beam volume checks.
Open calculator ↗FoundationsCrawl Space Foundation Calculator
Crawl Space Foundation Calculator estimates perimeter stem-wall concrete for crawl-space foundation wall takeoffs.
Open calculator ↗FoundationsBasement Foundation Calculator
Basement Foundation Calculator estimates basement wall concrete for continuous cast basement wall quantity estimates.
Open calculator ↗FoundationsSlab on Grade Calculator
Slab on Grade Calculator estimates slab-on-grade concrete for ground-supported floors and monolithic slab planning.
Open calculator ↗Foundations guides
Use these Foundations guides to understand measurements, assumptions, material specifications, and ordering decisions before applying the related calculators.
Rebar Weight, Lap Length, and Bar Takeoff
Estimate reinforcing bar count, total length, theoretical weight, and stock-piece needs while keeping lap length design-specific.
Read guide →ConcreteConcrete Columns, Piers, and Sonotubes
Calculate concrete for rectangular columns, round piers, and cylindrical form tubes from cross-sectional area, height, and quantity.
Read guide →ConcreteConcrete Walls: Openings, Thickness, and Volume
Estimate cast-in-place concrete wall volume from gross wall area, wall thickness, and true openings while keeping footings, pilasters, and waste separate.
Read guide →ConcreteConcrete Footing Width, Depth, and Cubic Yards
Calculate strip-footing or isolated-footing concrete from footing length, width, depth, and count, then convert the total volume to cubic yards.
Read guide →Excavation & EarthworkFoundation Excavation Volume and Haul-Off
Estimate foundation excavation, working-space excavation, reusable backfill, and haul-off volume from footing, wall, and basement geometry.
Read guide →Cement & MasonryRetaining Wall Block: Courses, Caps, and Base
Estimate retaining-wall blocks, courses, caps, base aggregate, drainage stone, and allowances from wall geometry and selected unit dimensions.
Read guide →